<?php return array (
  0 => 
  array (
    'username' => '小明',
    'content' => '吃饭去了',
    'create_time' => 1456789034,
  ),
  1 => 
  array (
    'username' => '小王',
    'content' => '这样真的好吗',
    'create_time' => 1456789034,
  ),
  2 => 
  array (
    'username' => '小红',
    'content' => '带饭吃',
    'create_time' => 1456789034,
  ),
  3 => 
  array (
    'username' => '老王',
    'content' => '侃侃侃侃从顶替',
    'create_time' => 1488944839,
  ),
  4 => 
  array (
    'username' => '小宝',
    'content' => '啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 啦 ',
    'create_time' => 1488944860,
  ),
  5 => 
  array (
    'username' => '宝仔',
    'content' => '丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢丢',
    'create_time' => 1488944880,
  ),
  6 => 
  array (
    'username' => 'sdfsd',
    'content' => 'sdfsdfsdf',
    'create_time' => 1488945308,
  ),
)?>